Recent Advances in the GPR Detection of Grouting Defects behind Shield Tunnel Segments
文献类型:期刊论文
作者 | Peng, Ming3,4; Wang, Dengyi3,4; Liu, Liu2; Shi, Zhenming3,4; Shen, Jian3,4; Ma, Fuan1 |
刊名 | REMOTE SENSING
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出版日期 | 2021-11-01 |
卷号 | 13期号:22页码:21 |
关键词 | ground penetrating radar nondestructive testing tunnel shield segment grouting concrete structure defect detection |
DOI | 10.3390/rs13224596 |
英文摘要 | Injecting grout into the gaps between tunnel shield segments and surrounding rocks can reduce ground subsidence and prevent ground water penetration. However, insufficient grouting and grouting defects may cause serious geological disasters. Ground penetrating radar (GPR) is widely used as a nondestructive testing (NDT) method to evaluate grouting quality and determine the existence of defects. This paper provides an overview of GPR applications for grouting defect detection behind tunnel shield segments. State-of-the-art methodologies, field cases, experimental tests and signal processing methods are discussed. The reported field cases and model test results show that GPR can detect grouting defects behind shield tunnel segments by identifying reflected waves. However, some subsequent problems still exist, including the interference of steel bars and small differences in the dielectric constants among media. Recent studies have focused on enhancing the signal-to-noise ratio and imaging methods. Advanced GPR signal processing methods, including full waveform inversion and machine learning methods, are promising for detecting imaging defects. Additionally, we conduct a preliminary experiment to investigate environmental noise, antenna configuration and coupling condition influences. Some promising topics, including multichannel configuration, rapid evaluation methods, elastic wave method scanning equipment for evaluating grout quality and comprehensive NDT methods, are recommended for future studies. |
资助项目 | National Natural Science Foundation of China[42172296] ; National Natural Science Foundation of China[42071010] ; National Natural Science Foundation of China[42061160480] ; Shanghai Natural Science Foundation[20ZR1461300] |
WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology |
语种 | 英语 |
WOS记录号 | WOS:000724425200001 |
出版者 | MDPI |
源URL | [http://119.78.100.198/handle/2S6PX9GI/28324] ![]() |
专题 | 中科院武汉岩土力学所 |
通讯作者 | Liu, Liu |
作者单位 | 1.Guangxi Nonferrous Survey & Design Inst, Nanning 530031, Peoples R China 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China 3.Tongji Univ, Dept Geotechn Engn, Coll Civil Engn, Shanghai 200092, Peoples R China 4.Tongji Univ, Dept Geotech Engn, Key Lab Geotech & Underground Engn, Minist Educ, Shanghai 200092, Peoples R China |
推荐引用方式 GB/T 7714 | Peng, Ming,Wang, Dengyi,Liu, Liu,et al. Recent Advances in the GPR Detection of Grouting Defects behind Shield Tunnel Segments[J]. REMOTE SENSING,2021,13(22):21. |
APA | Peng, Ming,Wang, Dengyi,Liu, Liu,Shi, Zhenming,Shen, Jian,&Ma, Fuan.(2021).Recent Advances in the GPR Detection of Grouting Defects behind Shield Tunnel Segments.REMOTE SENSING,13(22),21. |
MLA | Peng, Ming,et al."Recent Advances in the GPR Detection of Grouting Defects behind Shield Tunnel Segments".REMOTE SENSING 13.22(2021):21. |
入库方式: OAI收割
来源:武汉岩土力学研究所
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